3 years ago

You bike 39 miles in 5 hour find the unit rate per mile

Mathematics

1 answer:

Jet001 [13]3 years ago

8 0

Answer:

0.128 hr/mile

Step-by-step explanation:

5 hours / 39 miles = 0.128 hr/mile

In practice it might be easier to express in minutes. Just multiply by a conversion factor, keeping track of your units:

0.128 hr/mile x 60 min/hr = 7.68 min/mile

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each of equal sides of an isosceles triangle is 4cm greater than its height .If the base of triangle is 24 cm ,calculate the per

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<h3>Answer:-</h3>

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<h3>Step by step explanation :-</h3>

Let us take the height be x , then its side = x + 4. Now half of base will be 12 cm .

According to Pythagoras Theorem :-

=> base² + perpendicular ² = hypontenuse ²

=> 12² + x² = (x+4)²

=> 144 + x² = x² + 16 + 8x

=> 8x = 144-16

=> 8x = 128

=> x = 128/8

=> x = 16 cm .

Hence the height of ∆ is 16 cm .So the area will be half the product of base and altitude.

= 1/2 * 16 cm * 24cm .

= 192 cm²

<h3>★ Hence the area of the triangle is 192 cm² .</h3>

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